You don't climb a mountain in ...

You don't climb a mountain in leaps and bounds, but by taking it slowly.
 Pope Gregory I

Quotes from the same author

The bliss of the elect in heaven would not be perfect unless they were able to look across the abyss and enjoy the agonies of their brethren in eternal fire.
 Pope Gregory I
And here we must narrowly watch ourselves, seeing that banquets can scarcely be celebrated blamelessly, for almost always luxury accompanies feasting; and when the body is swallowed up in the delight of refreshing itself, the heart relaxes to empty joys.
 Pope Gregory I
Because He moves against faults, God is said to be angered, although He is moved by no disturbance of equanimity.
 Pope Gregory I
You cannot acquire the gift of peace if by your anger you destroy the peace of the Lord.
 Pope Gregory I
The holy universal Church teaches that it is not possible to worship God truly except in Her and asserts that all who are outside of Her will not be saved.
 Pope Gregory I